HP Rp7410 BSD Sockets Interface Programmer's Guide - Page 190
Link-level address, Message, Node manager, Official host name, Packet, Protocol, Remote host,
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Glossary IPC: See Interprocess Communication. transmitted between processes. Also called a "frame." ISO: See International Standards Organization. Link-level address: A sixbyte quantity that is distinct from the internet address and is the unique address of the LAN interface card on each LAN. Message: In IPC, the data sent in one UDP packet. When using sendmail a message is the information unit transferred by mail. Node: A computer system that is attached to or is part of a computer network. Node manager: The person who is responsible for managing the networking services on a specific node or host. Peer: An Interprocess Communication socket at the other end of a connection. Port: An address within a host that is used to differentiate between multiple sockets with the same internet address. Protocol: A set of conventions for transferring information between computers on a network (e.g., UDP or TCP). Remote host: A computer that is accessible through the network or via a gateway. Reserved port: A port number between 1 and 1023 that is only for super-user use. Server: A process or host that performs operations that local or remote client hosts request. Official host name: The first host name in each entry in the / etc/hosts file. The official host name cannot be an alias. Packet: A data unit that is Service: A facility that uses Interprocess Communication to perform remote functions for a user (e.g., rlogin(1) or telnet(1)). 190 Glossary
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